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Finding the Fourth Proportional to 2,799.55, 4,199.83 and 1,412.93

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Solution

The fourth proportional to 2,799.55, 4,199.83 and 1,412.93 is: 2,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.55 : 4,199.83 = 1,412.93 : x
  2. Step 2: Convert to fraction form
    2,799.55/4,199.83 = 1,412.93/x
  3. Step 3: Cross multiply
    2,799.55x = 4,199.83 × 1,412.93
  4. Step 4: Simplify right side
    2,799.55x = 5,934,065.80
  5. Step 5: Solve for x
    x = 5,934,065.80/2,799.55
  6. Step 6: Final answer
    x = 2,119.65

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